CN105188572A - Surgical instrument drive element, and related devices, systems, and methods - Google Patents

Surgical instrument drive element, and related devices, systems, and methods Download PDF

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Publication number
CN105188572A
CN105188572A CN201480016495.5A CN201480016495A CN105188572A CN 105188572 A CN105188572 A CN 105188572A CN 201480016495 A CN201480016495 A CN 201480016495A CN 105188572 A CN105188572 A CN 105188572A
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China
Prior art keywords
operating theater
theater instruments
push
end effector
driving element
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Granted
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CN201480016495.5A
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Chinese (zh)
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CN105188572B (en
Inventor
S·柯如思
J·R·斯蒂格
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Intuitive Surgical Operations Inc
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Intuitive Surgical Operations Inc
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Priority to CN202110773839.9A priority Critical patent/CN113331951B/en
Priority to CN201711154054.3A priority patent/CN108113756B/en
Publication of CN105188572A publication Critical patent/CN105188572A/en
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Publication of CN105188572B publication Critical patent/CN105188572B/en
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1442—Probes having pivoting end effectors, e.g. forceps
    • A61B18/1445—Probes having pivoting end effectors, e.g. forceps at the distal end of a shaft, e.g. forceps or scissors at the end of a rigid rod
    • A61B18/1447—Probes having pivoting end effectors, e.g. forceps at the distal end of a shaft, e.g. forceps or scissors at the end of a rigid rod wherein sliding surfaces cause opening/closing of the end effectors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1442—Probes having pivoting end effectors, e.g. forceps
    • A61B18/1445—Probes having pivoting end effectors, e.g. forceps at the distal end of a shaft, e.g. forceps or scissors at the end of a rigid rod
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/30—Surgical robots
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/30—Surgical robots
    • A61B34/35—Surgical robots for telesurgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2932—Transmission of forces to jaw members
    • A61B2017/2933—Transmission of forces to jaw members camming or guiding means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2932—Transmission of forces to jaw members
    • A61B2017/2933—Transmission of forces to jaw members camming or guiding means
    • A61B2017/2936—Pins in guiding slots
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2947—Pivots
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00059—Material properties
    • A61B2018/00071—Electrical conductivity
    • A61B2018/00077—Electrical conductivity high, i.e. electrically conducting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00059—Material properties
    • A61B2018/00071—Electrical conductivity
    • A61B2018/00083—Electrical conductivity low, i.e. electrically insulating
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00172—Connectors and adapters therefor
    • A61B2018/00178—Electrical connectors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00595—Cauterization

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Public Health (AREA)
  • Robotics (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Otolaryngology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Surgical Instruments (AREA)
  • Manipulator (AREA)

Abstract

A surgical instrument including a shaft, an end effector, and a push/pull drive element is provided. The push/pull drive element may include a head extending perpendicular to a push/pull direction of the push/pull element. The head of the push/pull drive element may have end portions each having a cross-section that differs from a cross-section of a main portion of the head between the end portions. The push/pull drive element may include an engagement portion in contact with the end effector to actuate the end effector. The engagement portion may have a first width and an end portion may have a second width, with the second width being greater than the first width. A surgical instrument is also provided that may include an electrical connector connecting at least one conduit providing electrical energy to the end effector. The end effector may be in sliding contact with a portion of the connector.

Description

Operating theater instruments driving element, and relevant equipment, system and method
This application claims the U.S. Provisional Application NO.61/803 submitted on March 18th, 2013, the rights and interests of 046, described application is all incorporated to herein by reference.
Technical field
Aspect of the present disclosure relates to the operating theater instruments for distance type (robot) surgery systems.Further aspect relates to the driving element for operating theater instruments and the electrical connection for operating theater instruments.
Background technology
Some Minimally Invasive Surgery technology are by using distance type (robot controlling) operating theater instruments (also can be described as instrument) long-distance support.In distance type surgery systems, surgeon handles input equipment on surgeon console, and these inputs are delivered to patient's thruster car, and it is connected with one or more distance type operating theater instruments.Based on the surgical input in surgeon console place, one or more distance type operating theater instruments is actuated to have an operation to patient on patient's thruster car, thus creates master-slave control relation between surgeon console and one or more operating theater instruments at patient's thruster car place.
Distance type surgery systems can have multiple arms that can be coupled with operating theater instruments.Operating theater instruments comprises the end effector for performing operative procedure.End effector drives by driving element.Further, when end effector is energized, such as the program of burning, operating theater instruments comprises electrical connection to provide electric energy to end effector.Desirably provide driving element and have the electrical connection of durability of enhancing, in the little space of operating theater instruments, also perform their respective function simultaneously.
Summary of the invention
Exemplary embodiment of the present disclosure can solve one or more the problems referred to above and/or can show one or more above-mentioned desirable feature.Further feature and/or advantage can become apparent from the following description.
According at least one exemplary embodiment, operating theater instruments comprises axle, is connected to the tip of the axis executor, and push/pull driving element.Push/pull driving element comprises the head that the push/pull direction perpendicular to push/pull element extends.The head of push/pull driving element can have end section, and the cross section of each end section is different from the cross section of the major part of the head between end section.
According at least one exemplary embodiment, operating theater instruments can comprise axle, be connected to the tip of the axis executor, and push/pull driving element.Push/pull driving element can comprise bonding part and be connected to the end section of bonding part end.Bonding part can contact to drive end effector with end effector.Bonding part can have the first width and end section can have the second width, and wherein the second width is greater than the first width.
According at least one exemplary embodiment, operating theater instruments can comprise axle, is connected to the tip of the axis executor, provides energy at least one conduit of end effector, and adapter.Adapter can be electrically connected at least one conduit described to end effector.End effector can slidingly contact with a part of adapter.
Extra object, feature, and/or advantage will part statement in the following description, and part is apparent from description, or put into practice acquistion by the disclosure and/or claim.Can realize by the element particularly pointed out in appended claim with combination and obtain at least some in these objects and advantage.
Should be appreciated that, aforesaid general description and detailed description are below only exemplary and explanatory and are not limited to claim; But claim should have the right to enjoy the scope of full range, comprises equivalent.
Accompanying drawing explanation
Can understand from detailed description of the invention below separately, or understand the disclosure together by reference to the accompanying drawings.Accompanying drawing is included to provide further understanding of the disclosure, and is merged in and forms the part of this description.Accompanying drawing illustrates one or more exemplary embodiments of instructing and together with the description for illustration of some principle and operation.
Fig. 1 is the top view of the exemplary embodiment of operating theater instruments, and described operating theater instruments comprises force transfer mechanism.
Fig. 2 is the fragmentary perspective view of the exemplary embodiment of the operating theater instruments with end effector.
Fig. 3 is the decomposition view of the operating theater instruments of Fig. 2.
Fig. 4 is the side view of end effector along the line 4-4 of Fig. 2 of Fig. 2, and described end effector is in closed position.
Fig. 5 is the end effector view in the open position of Fig. 4.
Fig. 6 is the sectional view of the exemplary embodiment of pressing from both sides according to the U-shaped of operating theater instruments of the present disclosure.
Fig. 7 is the viewgraph of cross-section of the line 7-7 along Fig. 4, but the cross section of the exemplary embodiment that U-shaped presss from both sides also is shown.
Fig. 8 is the viewgraph of cross-section of the line 8-8 along Fig. 5, but the cross section of the exemplary embodiment that U-shaped presss from both sides also is shown.
Fig. 9 is the sectional view of the exemplary embodiment of the end of the outthrust of the driving element of U-shaped folder and the groove being positioned at U-shaped folder.
Figure 10 is the fragmentary perspective view of the exemplary embodiment of push/pull driving element.
Figure 11 is the decomposition view of the push/pull driving element of Figure 10.
Figure 12 is the end-view of the push/pull driving element of Figure 10.
Figure 13 is the end-view of the another exemplary embodiment of push/pull driving element.
Figure 14 is the phantom of the exemplary embodiment of operating theater instruments U-shaped folder and push/pull driving element.
Figure 15 is the phantom of the exemplary embodiment of the end of the outthrust of U-shaped folder and push/pull driving element.
Figure 16 is the phantom of the exemplary embodiment of non-energized operating theater instruments.
Figure 17 is the sectional view of the exemplary embodiment of operating theater instruments U-shaped folder and push/pull driving element.
Figure 18 is the partially cut-away side view of the exemplary embodiment of operating theater instruments.
Figure 19 is the partially cut-away side view of the operating theater instruments of Figure 18, and the jaw of described operating theater instruments is removed.
Figure 20 is the perspective view of the exemplary embodiment of adapter assembling.
Figure 21 is the decomposition view of the adapter assembling of Figure 20.
Figure 22 is the perspective view of the exemplary embodiment of the coupling part of adapter assembling.
Detailed description of the invention
Exemplary embodiment discussed herein relates to the operating theater instruments for distance type surgery systems.Operating theater instruments relatively simply and manufacture cheaply, can provide strong configuration simultaneously, thus produces relatively durable apparatus, and it can perform the multiple functions in relative compact design.
Illustrate that this description and the accompanying drawing of exemplary embodiment should not be taken as restrictive.When not leaving the scope (comprising equivalent) of the present invention as requested and this description, can make various machinery, composition, structure, electric, and the change of operation.In some cases, in order to make the disclosure cheer and bright, do not illustrate or describe in detail the structure and technology known.The same or analogous element of same reference numeral in two width or several figure.In addition, as long as practical, the feature that element and they with reference to an embodiment detailed description are associated can be included in other embodiments, and in other embodiment described, these elements and feature are not illustrated or describe clearly.Such as, if describe element in detail with reference to an embodiment and do not describe this element with reference to the second embodiment, even so, element can require to be included in the second embodiment.
For the object of this description and appended claims, except as otherwise noted, otherwise represent quantity, percentage ratio, or all numerals of ratio and other numerical value of using in the present description and claims are interpreted as to be modified to them also not by the degree so revised with term " approximately " in all cases.Therefore, unless illustrated there is contrary situation, otherwise the numerical parameter of stating in description below and appended claims is approximation, and it can change according to the expectation attribute attempting to obtain.At least, and not attempting restriction by the scope being applied to claim of the dogmata of equivalent, at least should explain each digital parameters in view of several reported significant digit by applying the common technology of rounding off.
Note, as this description and appended claims use, any odd number use of singulative " ", " one " and " being somebody's turn to do " and any word comprises plural referents, unless known and be restricted to a denoted object clearly." to comprise " as used herein the term and its grammatical variants is intended to for nonrestrictive, to such an extent as to list discal patch object describes in detail and does not get rid of alternative or add other similar entry of listed entry to.
The term of this description is not intended to the restriction disclosure or claim.Such as, the relative term in space-such as " in ... below ", " ... below ", " lower ", " ... above ", " higher ", " contiguous ", " distally " etc., can be used for the relation of description element or feature another element to that indicated in the drawings or feature.The relative term in these spaces is intended to comprise the different orientation (i.e. position) being in the equipment used or in operation except the orientation shown in figure and direction and direction (namely rotating arrangement).Such as, if the equipment in figure is turned over, be so described as other element or feature " below " or " below " element will other element or feature " above " or " top ".Therefore, exemplary term " ... above and below two orientation and direction can be comprised below ".Equipment can by additionally directed (rotate 90 degree or in other direction) and space relative descriptors used here correspondingly understood.
Distance type surgical operation generally includes the use of manipulator, and described manipulator has multiple manipulator arm.One or more manipulator arm usually support of surgical instruments.One or more manipulator arm can be used for supporting surgical operation images capture device, such as endoscope (it can be any one in various structure, such as peritoneoscope, arthroscope, metroscope, or etc.), or, selectively, some other imaging modalities (such as ultrasonic, fluoroscopy, nuclear magnetic resonance, or etc.).Usually, manipulator arm will support at least two operation tools and an image capturing device, and described at least two operation tools are equivalent to surgical two handss.To issue and name is called the U.S. Patent No. 8 of " bending sleeve pipe surgery systems (CurvedCannulaSurgicalSystem) " on October 1st, 2013,545, describe this distance type surgery systems in 515, described patent is all incorporated to herein by reference.
With reference to Fig. 1, it illustrates the side view of the exemplary embodiment of the operating theater instruments 100 for distance type surgery systems.Operating theater instruments 100 can comprise force transfer mechanism 110, be connected to the axle 122 of force transfer mechanism 110 at its near-end 123 place, and is connected to the end effector of far-end 124 of axle 122.Axle 122 can be flexible.According to exemplary embodiment, axle 122 can have the diameter in from about 3mm to the scope of about 15mm.According to another exemplary embodiment, the diameter of axle 122, such as, can in the scope of about 5mm to about 8mm.Operating theater instruments 100 can comprise one or more component in case between force transfer mechanism 110 and end effector 120 metastatic capacity.Such as, one or more driving element 126 can such as by extend through the inside of axle 122 with attachment force transmission mechanism 110 to end effector 120 to provide actuation force to end effector 120.By utilizing one or more driving element 126, force transfer mechanism 110 can drive end effector 120 with the wrist mechanism (not shown in figure 1) of such as control device 100 and/or the jaw (or other moveable part) controlling end effector 120.Further, because end effector 120 can be fixed to axle 122, the power transferring to end effector 120 from power shifter 110 can transfer to axle 122 conversely, such as when power shifter 110 drives end effector 120 with rolling movement.As U.S. Patent No. 8,545, described in 515, such as when force transfer mechanism 110 for pulling-pulling mechanism time, one or more driving elements 126 can be the form of pulling force component, or such as when force transfer mechanism 110 is for promotion-pulling mechanism, one or more driving element 126 can be one or more driving element bar or catch bar.
Force transfer mechanism 110 can comprise one with multiple assembly to engage with patient's thruster car of distance type surgery systems, thus transfer patient thruster car is supplied to the power of operating theater instruments 100.According to exemplary embodiment, as U.S. Patent No. 8,545, described in 515, force transfer mechanism 110 can comprise one or more interface disk 112 and 114, and it engages with the manipulator of patient's thruster car.Therefore, interface disk 112 and 114 utilizes the actuation force driving instruments 100 from manipulator.Such as, the first disk 112 can be configured to provide rolling movement to axle 122 and provide rolling DOF for end effector 120, and second disk 114 can the clip claw mechanism of operational tip executor 120 to open and to close.As one of ordinary skill that familiar, force transfer mechanism can comprise other interface disk driving and have the operating theater instruments of other function various.
With reference to Fig. 2, it illustrates the exemplary embodiment of the operating theater instruments 200 for distance type surgery systems, and described operating theater instruments 200 comprises axle 202, U-shaped folder 204 and end effector 206.According to exemplary embodiment, operating theater instruments 200 can comprise the wrist of coupling U-shaped folder 204 to axle 202, or operating theater instruments 200 can be non-wrist-apparatus.If operating theater instruments 200 lacks wrist, end effector 206 can be directly connected to U-shaped folder 204, and U-shaped folder 204 can be directly connected to axle 202.Fig. 3 is the decomposition view of the exemplary embodiment of Fig. 2, and as shown in Figure 3, end effector 206 can comprise the first jaw 220 and the second jaw 230.First jaw 220 can comprise retained part 222, connects aperture 224 and activate aperture 226.Similarly, the second jaw 230 can comprise retained part 232, connects aperture 234 and activate aperture 236.
According to exemplary embodiment, connect aperture 224 and 234 and can be used for being connected jaw 220 and 230 to U-shaped folder 304, U-shaped presss from both sides and then is connected to axle 202.Such as, as shown in the exemplary embodiment of Fig. 2 and Fig. 3, rivet or pin 208 can be inserted through and connect aperture 224 and 234 and press from both sides 204 to be connected jaw 220 and 230 to U-shaped by the aperture 205 in U-shaped folder 204.When end effector 206 is through driving to open and close jaw 220 and 230, pin 208 also can be used as the turning cylinder that jaw 220 and 230 rotates about it, and this feature will be described below.
Operating theater instruments 200 can comprise driving end effector 206 such as to open and close the mechanism of jaw 220 and 230.As shown in the exemplary embodiment of Fig. 3, operating theater instruments can comprise the driving element 210 being connected to end effector 206.The near-end (not shown) of driving element 210 can be connected to the manipulator (not shown) of distance type surgery systems, and manipulator provides starting power to driving element 210.Such as, driving element 210 can be push/pull driving element bar, and it promotes or pull to drive end effector 206 along the direction 213 in Fig. 3 by the starting power provided by manipulator.
The far-end 215 of driving element 210 can be connected to end effector 206 so that starting power is transferred to jaw 220 and 230 from manipulator.According to exemplary embodiment, the far-end 215 of driving element 210 can comprise the first outthrust 212 being connected to jaw 220 and the second outthrust 214 being connected to jaw 230.Such as, jaw 220 can comprise the actuating aperture 226 can inserting the first outthrust 212, and jaw 230 can comprise the actuating aperture 236 can inserting the second outthrust 214.Activate the adoptable form in aperture 226 and 236 to have, such as elongated slot, such as can insert rectangle or the elliptical slot of outthrust 212 and 214.Therefore, when promoting along the direction 213 in Fig. 3 or pull driving element 210, outthrust 212 and 214 can slip in actuating aperture 226 and 236, thus causes jaw 220 and 230 around pin 208 pivotable.
With reference to Fig. 4, it illustrates the side view of the end effector 206 along the line 4-4 in Fig. 2, but U-shaped folder 204 and pin 208 are not shown.In the exemplary embodiment of Fig. 4, the jaw 220 and 230 of end effector 206 is in closure state.Although the not shown driving element 210 of Fig. 4, it illustrates the second outthrust 214 in the actuation slot 236 of jaw 230.When promoting driving element 210 on the direction 217 of Fig. 4, the second outthrust 214 is forced upwardly.As a result, jaw 220 with in 230 directions in Figure 5 219 around being positioned at the rotation of pin (not shown) and pivotable that are connected aperture 234, thus cause jaw 220 be separated with 230 and open.
Operating theater instruments 200 can comprise one or more feature to assist driving element 210 to move in end effector 206 actuation process (such as respectively between the closed and open mode shown in the exemplary embodiment of Fig. 4 and Fig. 5).According to exemplary embodiment, U-shaped folder 204 can comprise one with multiple feature to assist the movement of driving element 210.With reference to Fig. 6, which provide the sectional view of the exemplary embodiment of U-shaped folder 204.U-shaped folder 204 comprises sidewall 246, and it forms the outer surface of U-shaped folder 204, and a part of sidewall 246 has been removed the internal feature that U-shaped folder 204 is shown in figure 6.As the above of the exemplary embodiment about Fig. 3, U-shaped folder 204 can comprise tube chamber 244, and it is used as the passage of the driving element 210 by U-shaped folder 204, with for pin 208 to be connected the aperture 205 of the jaw 220 and 230 of end effector 206.According to exemplary embodiment, U-shaped folder 204 can comprise other tube chamber for other assembly, such as, there is provided the conduit of energy (such as electric wire) and/or extra actuating assembly (such as, for the actuation element of the extra discretion of operating theater instruments or assembly (such as cutter)) such as to end effector 206.
In order to assist the movement of driving element 210, U-shaped folder 204 can comprise one or more feature to interact with the outthrust 212 and 214 of driving element 210.Such as, as shown in the exemplary embodiment of Fig. 6, U-shaped folder 204 can comprise the groove 240 in sidewall 246.According to exemplary embodiment, as shown in Figure 6, groove 240 can have the limited degree of depth and lower surface 245.But the configuration of groove 240 is not limited to this geometry and groove 240 can instead be provided as passing completely through the groove (not shown) that U-shaped presss from both sides the sidewall 246 of 204.One or more outthrust 212 and 214 of driving element 210 can be configured to extend in groove 240, to such an extent as to when mobile driving element 210 is to drive end effector 206, groove 240 supports outthrust 212 and 214.In other words, one or more outthrust 212 and 214 of driving element 210 can have and enough extend through jaw 220 and 230 (such as by activating aperture 226 and 236) and the length entered in the groove 240 in sidewall 246.
With reference to Fig. 7, it illustrates the viewgraph of cross-section of the line 7-7 along Fig. 4, but also provides U-shaped folder 204.Fig. 8 depicts the viewgraph of cross-section of the line 8-8 along Fig. 5, but also provides U-shaped folder.As shown in the exemplary embodiment in Fig. 7, U-shaped folder 204 can comprise two grooves 240, each respective outthrust 212 and 214 for driving element 210.In addition, as shown in Figure 7, groove 240 can be toward each other.Because the outthrust of driving element 210 212 and 214 is placed in groove 240, so when driving element 210 is moved to drive end effector 206 (such as, by by driving element 210 shift-in and shift out Fig. 7 place page) time, groove 240 supports and/or guides the movement of outthrust 212 and 214 and therefore support and/or guide the movement of driving element 210.Such as, when mobile driving element 210 and outthrust 212 and 214 slidably reciprocates in groove 240 time, the sidewall 241 of groove 240 and at least one the contacted outthrust 212 and 214 in 243.According to exemplary embodiment, the lower surface 245 of groove 240 can contact to support outthrust 212 and 214 with outthrust 212 with 214, or alternatively or also contacts with 243 with one or more sidewall 241.With reference to figure 9, it illustrates the sectional view of the exemplary embodiment of U-shaped folder 204, and it is similar to the view of Fig. 6, except the end of outthrust 212 is illustrated in groove 240.As shown in the exemplary embodiment of Fig. 9, outthrust 212 can contact the sidewall 241 and 243 (such as at contact portion 248 place) of groove 240 so that outthrust 212 is supported by groove 240.Because outthrust 212 and 214 has the cross section of circular, or even the end of the outthrust 212 and 214 coordinated in groove 240, so the feature of contact portion 248 is the contact between circle and plane.Such as, contact portion 248 can be outthrust 212 and 214 and groove 240 sidewall 241 and 243 between substantially tangent contact portion.In other words, contact portion 248 can have the shape of line or point.Therefore, all stress transmitted between outthrust 212 and 214 with sidewall 241 and 243 are all concentrated to relative little area.
When mobile driving element 210 is to drive end effector 206 to open and close jaw 220 and 230, the part of jaw 220 and 230 can be moved apart each other.This is also demonstrated in figures 7 and 8.In the figure 7, as shown in the exemplary embodiment of Fig. 4, jaw 220 and 230 is in the close position.In fig. 8, as shown in the example embodiment of figure 5, due to the movement of driving element 210, jaw 220 and 230 has been moved to the position of opening.Particularly, as shown in the example embodiment of figure 5, when jaw 220,230 when moving to open position, and the near-end of jaw 220 and 230 can move in different directions.This is also demonstrated in fig. 8, the end that Fig. 8 illustrates jaw 220 relative to mobile in the direction 250 of Fig. 7 and the end of jaw 230 relative to the movement direction 252 of Fig. 7 in.
Because jaw 220 and 230 moves on respective direction 250 and 252, on the direction 254 shown in the exemplary embodiment of Fig. 8, moment of torsion is applied on driving element 210.Moment of torsion in direction 254 causes driving element 210 to reverse, thus causes outthrust 212 to apply power and outthrust 214 applies power to the sidewall 241 of another groove 240 to the sidewall 243 of a groove 240.Further, due to the geometry (such as line or point cantact) of the contact portion 248 between outthrust 212,214 and the sidewall 241,243 of groove 240, the power applied between outthrust 212,214 and sidewall 241,243 is limited to little area.As a result, when outthrust 212,214 slidably reciprocates and presses sidewall 241,243 in groove 240, groove 240 can permanent deformation and/or wearing and tearing.According to exemplary embodiment, when jaw 220,230 is driven to make position, it can move up in the side contrary with the direction 250 and 252 shown in the exemplary embodiment of Fig. 8, thus can cause moment of torsion and twist motion on the direction that the direction 254 with Fig. 8 is contrary.
According to exemplary embodiment, U-shaped folder 204 can be made up of nonmetallic materials.Such as, U-shaped folder 204 can be made of plastics, and such as, such as polyether-ether-ketone (PEEK), it comprises the PEEK of glass-filled.When U-shaped folder 204 is made up of nonmetallic materials, such as plastic material, permanent deformation and/or wearing and tearing can appear on the surface of groove 240, such as sidewall 241 and 243.In addition, when driving element 210 reverses on direction 254, especially when wearing and tearing have appearred in sidewall 241,243, the power between outthrust 212,214 and sidewall 241,243 is enough to outthrust is ejected from groove 240.
In view of these are considered, the operating theater instruments providing ruggedness to strengthen is desirable.Particularly, there is provided with one or more feature operating theater instruments with support and/or guide for the driving element of end effector movement be desirable, described operating theater instruments has the ruggedness of enhancing, such as, by strengthening the distribution of the power between the driving element of operating theater instruments and another assembly.
With reference to Figure 10, it illustrates the perspective view of the exemplary embodiment of push/pull driving element 300.Push/pull driving element 300 can be, such as catch bar, line, cable, or well known to those of ordinary skill in the art other structure being used as push/pull driving element.Such as, push/pull driving element can be such element, and it has enough column compressibilityes to transmit the axial motive force being applied to push/pull driving element.The function identical according to above-mentioned driving element 210, push/pull driving element 300 can be used for the exemplary embodiment of Fig. 2 to Fig. 9.As shown in Figure 10, push/pull driving element 300 can comprise the axle 302 being connected to head 304.Such as, as shown in figure 11, head 304 can comprise transverse axis 309 and end section 306.Transverse axis 309 also can be described as, such as, and the major part of head 304.Head 304 can be formed by independently part, the transverse axis 309 shown in the exemplary embodiment of such as Figure 10 and Figure 11 and end section 306, or head 304 can be provided as have single component structure by transverse axis 309 and end section 306 being provided as single component.According to exemplary embodiment, the part of push/pull driving element 300, such as axle 302 and transverse axis 309 and end section 306, can be made of metal.Such as, the part of push/pull driving element 300 can be made up of abrasion-proof stainless steel alloy, such as
According to exemplary embodiment, push/pull driving element 300 can comprise insulant 308, such as, as described below, when push/pull driving element 300 in the operating theater instruments that is energized time.Insulant 308 can be and makes arcing and the minimum material of electric conductivity, such as, and such as plastic material.As shown in the exemplary embodiment of Figure 10, transverse axis 309 and axle 302 at least partially can provide insulant 308.Such as, insulant 308 can be provided at least one of transverse axis 309 and axle 302 by injection moulding insulant 308.
According to exemplary embodiment, transverse axis 309 comprises bonding part 310, and when mobile push/pull driving element 300 is to drive end effector, described bonding part 310 engages with the part of end effector.Such as, if the exemplary embodiment of Fig. 2 to Fig. 5 is mentioned above, bonding part 310 can be configured to the actuating aperture 226 and 236 of the jaw 220,230 of engagement end executor 206, thus drives end effector 206 when mobile push/pull driving element 300.According to exemplary embodiment, bonding part 310 can have circular cross section, as the outthrust 212 and 214 of the exemplary embodiment of Fig. 2 to Fig. 8.Further, the bonding part 310 of transverse axis 309 can have the diameter 311 (see Figure 11) substantially identical with the diameter 247 (see Fig. 9) of 214 with outthrust 212.But the diameter 311 of bonding part 310 need not be substantially identical with the diameter 247 of 214 with outthrust 212, but can be different.Such as, according to exemplary embodiment, the diameter 311 of bonding part 310 can be less than the diameter 247 of outthrust 212 and 214.
According to exemplary embodiment, bonding part 310 can have non-circular cross section.Such as, the shape of cross section of bonding part 310 can comprise one or more even curface part (not shown).One or more even curface part, through providing the contact area increased between the actuating aperture 226,236 of bonding part 310 and jaw 220,230, such as increases the distribution of the power applied between bonding part 310 and jaw 220,230.According to exemplary embodiment, the shape in the actuating aperture 226 and 236 of jaw 220 and 230 can be different from the shape shown in exemplary embodiment of Fig. 2 and Fig. 3.Such as, it can be bending for activating aperture 226 and 236, instead of as shown in Figures 2 and 3 straight.Such as, actuating aperture 226 and 236 can be bending to such an extent as to activate aperture 226 and 236 relative to the connection aperture 224 and 234 in the exemplary embodiment of Fig. 3 is convex surface or concave.
The end section 306 of push/pull driving element 300 can be configured to the distribution of the power strengthened between end section 306 and other assembly (such as U-shaped folder) of operating theater instruments.As shown in the exemplary embodiment of Figure 10 and Figure 11, end section 306 can be greater than the bonding part 310 of transverse axis 309.Such as, bonding part 310 can have diameter or width 311, and end section 306 can have the width 313 or 315 of the width 311 being greater than bonding part 310.According to exemplary embodiment, if the size of end section 306 313 and 315 is not equal or substantially equal, then the width of end section 306 can be greater than size 313 and 315.Such as, when the size 315 of end section 306 is greater than size 313, size 315 is the width of end section and is also greater than the width 311 of bonding part 310.According to exemplary embodiment, size 315 is greater than 1 with the ratio of diameter 311.Such as, the ratio ranges of size 315 and diameter 311, such as about 1.1 to about between 1.3.According to exemplary embodiment, size 315 can have, the length of such as about 0.075 inch and diameter 311 is, such as about 0.061 inch.
The end section 306 of push/pull driving element 300 can have the cross section of various shape.As shown in the exemplary embodiment of Figure 10 and Figure 11, end section 306 can have rectangular shape.As shown in the exemplary embodiment of Figure 12, end section 306 can have square shape.According to another exemplary embodiment, as shown in figure 13, end section 320 can have elliptical shape.As shown in the exemplary embodiment of Figure 13, elliptical shape can comprise even curface 322 and 324 and circular distal 323.But the shape of cross section of the end section of push/pull driving element is not limited to the exemplary embodiment of Figure 10 to Figure 13 and other shape can be utilized.
According to exemplary embodiment, the shape of cross section of the end section of push/pull driving element comprises one or more even curface part.As shown in the exemplary embodiment of Figure 11 and Figure 12, end section 306 can comprise even curface part 317 and 319.Further, as shown in the exemplary embodiment of Figure 13, the end section 320 with elliptical shape or other non-rectangle or non-square shape can have even curface part 322 and 324.According to exemplary embodiment, even curface part can toward each other and as shown in the exemplary embodiment of Figure 11 to Figure 13, its substantially be parallel to U-shaped folder groove 240 extending direction plane in.
By the end section 306 providing cross section to expand relative to the cross section of transverse axis 309, by providing the end section 306 with above-mentioned shape, and/or by having the end section 306 of at least one even curface part in the plane of the extending direction that is provided in the groove 240 being parallel to U-shaped folder, the contact area between the U-shaped folder of end section 306 and operating theater instruments can be increased.This can strengthen the distribution of the power between end section 306 and U-shaped folder conversely.
With reference to Figure 14, it provides U-shaped to press from both sides the sectional view of 330 to illustrate the internal feature of U-shaped folder 330, and described internal feature is included in the groove 340 formed in the sidewall 336 of U-shaped folder 330.U-shaped folder 330 can comprise aperture 335 for pin (not shown) further to connect the jaw of end effector, and groove 340 can comprise sidewall 341 and 343.As shown in the exemplary embodiment of Figure 14, the end section 306 of push/pull driving element 300 can be placed in groove 340 to such an extent as to when push/pull driving element 300 moves around to drive end effector, groove 340 supports and/or guide tip part 306.Particularly, end section 306 one or more surface portion can with one or more surface contact of groove 340.With reference to Figure 15, it is U-shaped folder 304 and the side view of push/pull driving element 300, and the end section 306 of described push/pull driving element 300 is positioned at groove 340, the surface portion 317,319 of end section 306 is by one or two in the sidewall 314,343 of contact portion 350 engagement groove 340.According to exemplary embodiment, surface portion 317 and 319 can be smooth.Because end section 306 has one or more surface portion 317 and 319, so, as as described in the exemplary embodiment of Fig. 9 above, contact portion 350 between end section 306 and the sidewall 341,343 of groove 340 is not limited to point cantact or is similar to tangentially contact, and there is provided relatively large contact area, this contact area can distribute the power be applied between end section 306 and groove 340.As a result, the power that permanent distortion and/or wear rate can be caused to increase does not focus on little area.Further, as described in the exemplary embodiment of Fig. 7 and Fig. 8 above, when push/pull driving element 300 drives end effector and is subject to reversing, the end section 306 of push/pull driving element 300 has the toleration of enhancing to the power applied.
As described in the exemplary embodiment of Figure 10 to Figure 14 above, push/pull driving element 300 can comprise insulant 308, especially when push/pull driving element 300 is used in the operating theater instruments of energising.But the exemplary embodiments described here is not limited to the operating theater instruments be energized, and push/pull driving element can be used in non-energized operating theater instruments.With reference to Figure 16, it illustrates the sectional view of non-energized operating theater instruments 400.Operating theater instruments 400 can comprise axle 402, U-shaped folder 404, end effector 406, and push/pull driving element 410.End effector 406 can comprise jaw 420 and 430, and it can be connected to U-shaped folder 404 by the pin 408 inserted by aperture 405.Push/pull driving element 410 can configure according to the exemplary embodiment of Figure 10 to Figure 15, except push/pull driving element 410 does not comprise insulant 308, this is because operating theater instruments 400 no power.Figure 17 illustrates the sectional view of U-shaped folder 404, and as shown in figure 17, push/pull driving element 410 can comprise axle 412, one or more bonding part 414 (such as, such as, as above about as described in Figure 11, the bonding part 414 provided by transverse axis), and one or more end section 416.As above about Figure 10 to Figure 15 exemplary embodiment as described in, end section 416 can be inserted into U-shaped folder 404 groove 440 in, to such an extent as to when push/pull driving element 410 moves around to drive end effector 406 guiding and/or support tip part 416.
Due to such as Figure 10 to Figure 17 exemplary embodiment described in the shape of end section of push/pull driving element and size, the contact surface accumulated amount between end section and U-shaped folder groove significantly increases.Therefore, end section advantageously can improve the distribution of the power between the groove being applied in end section and U-shaped folder.Result, in end effector actuation process, the end section of push/pull driving element can offset the moment of torsion and twist motion that are applied to push/pull driving element, otherwise this moment of torsion and twist motion can cause U-shaped to press from both sides distortion or the wearing and tearing of groove, or causes push/pull driving element to eject from U-shaped folder groove.Particularly, the end section of push/pull driving element can minimize or reduce permanent deformation or the wearing and tearing of U-shaped folder groove, and the groove of described U-shaped folder is made up of nonmetallic materials, such as plastics.
When operating theater instruments is energized, electrical connection is provided between the end effector of operating theater instruments and one or more conduit, and described conduit provides electric energy to end effector.But, due to the movement of end effector, one or more conduit with provide between end effector and maintain that to be connected may be difficult.Further, due to space limited in the small size of operating theater instruments and operating theater instruments, provide the difficulty level of functional and durable connection relatively high.Such as, the overall diameter of operating theater instruments can be, such as, and about 5mm.
With reference to Figure 18, it illustrates the exemplary embodiment of operating theater instruments 500, and described operating theater instruments 500 comprises the jaw 502 and 504, the U-shaped folder 506 that are connected by pin 508, and push/pull driving element 510.Push/pull driving element 510 can configure according to the exemplary embodiment of Figure 10 to Figure 17.According to exemplary embodiment, operating theater instruments 500 can comprise connector assembly 530 further to connect one or more conduit 520,522 to jaw 502,504.Conduit 520,522 can provide energy (such as, such as electric energy) to jaw 502,504, is energized to make jaw 502,504.Figure 19 illustrates the operating theater instruments 500 that jaw 504 is removed to such an extent as to more easily can observe the assembly of operating theater instruments 500, such as connector assembly 530.Operating theater instruments 500 can comprise further and is connected to U-shaped folder 506 and covers the axle (not shown) of conduit 520 and 522.
When driving jaw 502 and 504, jaw 502 and 504 moves relative to other assembly of operating theater instruments 500.Such as, as shown in the exemplary embodiment of Figure 18 and 19, jaw 502 and 504 can relative to pin 508 pivotable on direction 540.Due to the movement of jaw 502,504, between conduit 520 and 522 with jaw 502 and 504, provide that be connected may be challenging.Such as, if conduit 520 and 522 is directly connected to jaw 502 and 504, when jaw 502 and 504 moves, conduit 520 and 524 is removable at least partially, thus can cause in jaw 502 and the challenge providing durable connection between 504 and conduit.
With reference to Figure 20, it illustrates the exemplary embodiment of connector assembly 530, and described connector assembly 530 comprises main body 531.Connector assembly 530 can provide and be connected between one or more conduit 520,522 with end effector (such as jaw 502 and 504), to such an extent as to energy (such as electric energy) can be provided to end effector from one or more conduit 520,522.Therefore, according to exemplary embodiment, connector assembly 530 can at one or more conduit 520, provide between 522 with end effector and be electrically connected.According to exemplary embodiment, main body 531 can be made up of insulant, such as electrically insulating material.Such as, main body 531 can be made of plastics, and such as, such as (such as, Su Wei high performance plastics Co., Ltd sells polyphthalamide (PPA) ).Main body 531 can be used for, such as the connection between one or more conduit 520,522 and jaw 502,504 provides support structure, will the assembly of operating theater instruments 500 be isolated substantially with the energy be connected between jaw 502,504 with one or more conduit 520,522 simultaneously.As shown in the exemplary embodiment of Figure 20, main body 531 can for being similar to U-shaped and comprising the first supporting leg 532 and the second supporting leg 534.Further, as shown in the exemplary embodiment of Figure 20, supporting leg 532 and 534 by gap 536 separately.As shown in the exemplary embodiment of Figure 19, gap 536 is passable, such as, for the movement of push/pull driving element 510 in main body 531 provides space, such as when mobile push/pull driving element 510 is to drive jaw 502,504.As shown in the exemplary embodiment of Figure 18 and Figure 19, main body 531 can comprise the tube chamber 538 inserting pin 508 by it further.
According to exemplary embodiment, the supporting leg 532 and 534 of main body can comprise structure to receive conduit 520 and 522.Such as, as shown in the exemplary embodiment of Figure 20, supporting leg 534 can comprise cavity 533 to receive conduit 520.As shown in the exemplary embodiment of Figure 20, cavity 533 can be opened, or cavity 533 can be covered at least partly.Such as, by conduit 520 being inserted through the aperture 535 in supporting leg 534, conduit 520 can be accepted in cavity 533.Can according to the arbitrary above-mentioned exemplary embodiment configuration supporting leg 532 discussed for supporting leg 534.
Figure 21 is the decomposition view of the exemplary embodiment of the connector assembly 530 of Figure 20, and as shown in figure 21, connector assembly 530 can comprise one or more connector part 550 further.According to exemplary embodiment, connector assembly 530 can comprise the connector part 550 for each conduit.Such as, as shown in figure 21, adapter assembling 530 can comprise the connector part 550 for each conduit 520 and 522.Connector part 550 can be attached to main body 531.As shown in the exemplary embodiment of Figure 21, connector part 550 can be engaged on protruding 537.Connector part 550 can have the shape corresponding with the shape of protruding 537.Further, according to exemplary embodiment, connector part 550 can press-fit projection 537.According to exemplary embodiment, protruding 537 can be connected to U-shaped folder 506 to be attached connector assembly 530 and U-shaped folder 506.
Connector part 550 can comprise one or more structure with attached conduit.Figure 22 describes the exemplary embodiment being attached to the conduit 520 of connector part 550, and with reference to Figure 22, connector part 550 can comprise the first adnexa 552 to connect connector part 550 to conduit 520.As 21 and Figure 22 exemplary embodiment shown in, adapter 550 can comprise the second adnexa 553 further.Such as, as shown in the exemplary embodiment of Figure 22, when conduit 520 comprises a more than assembly (such as external insulation lid 523 and conductor 521), the first adnexa 522 can be connected to insulating lid 523, and the second adnexa 553 is connected to the exposed parts of conduit 521.Therefore, first adnexa 552 can through providing, such as to assist to maintain the position of conductor 520 relative to connector part 550, and the second adnexa 553 is through providing to form conductance electrical contact between connector part 550 and conduit 520 (especially conductor 521).Adnexa 552 and 553 is attached to conduit 520 by mechanical connection, such as, such as by the bonding agent of such as solder (such as, welded attachment 553 is to conduit 521), adnexa 552 and 553 is crimped onto conduit 520, or other method of attachment that one, this area those of ordinary skill is known.According to exemplary embodiment, conduit 522 can be connected to connector part 550 in the same manner.
Connector part 550 can comprise one or more structure further with a contact end executor's part.Such as, connector part 550 can comprise contact portion 554 to contact at least one in jaw 502 and 504.According to exemplary embodiment, contact portion 554 contacts at least one in jaw 502 and 504 by slidingly contacting.Such as, as shown in the exemplary embodiment of Figure 18, jaw 504 can comprise aperture 505 causes jaw 504 can be engaged in contact portion 554.Further, aperture 505 can through structure to have the shape and size corresponding with contact portion 554 to such an extent as to the part forming the jaw 504 in aperture 505 contacts with contact portion 554.Such as, as shown in the exemplary embodiment of Figure 19, Figure 21 and Figure 22, contact portion 554 can have split ring shape.Therefore, when jaw 504 moves, such as by pivoting relative to pin 50 in 8 directions 540, jaw 504 and contact portion 554 keep in touch.Jaw 502 can configure according to the exemplary embodiment of jaw 504, thus is formed together with the contact portion 554 of connector assembly 530 and slidingly contact.By configuring the contact portion 554 of adapter 530 to contact jaw 502 and 504 by slidingly contacting, connect, such as be electrically connected, can be provided between conduit 520,522 and jaw 502,504, described connection is advantageously durable, permits the movement of jaw 502,504 simultaneously and provides energy from conduit 502,504 to jaw 502,504.
According to exemplary embodiment, adapter 530 can be configured and jaw 502 and 504 is moved independent of contact portion 554.Such as, as shown in the exemplary embodiment of Figure 18 and Figure 19, when jaw 502 and 504 moves, such as when driving jaw 502 and 504 with around pin 508 on direction 540 during pivotable, along with jaw 504 slides in contact portion 554, contact portion 554 keeps substantially static.As a result, the conduit 520 being connected to adapter 530 also can keep substantially static as jaw 502 is the same with 504 with 522, thus can advantageously minimize or reduce wearing and tearing or the distortion of conduit 520 and 522 and the connection between conduit 520 and 522 and adapter 530.Further, be connected because adapter 530 is formed between conduit 520 and 522 with jaw 502 and 504, so conduit 520 and 522 is not directly connected to jaw 502 and 504.
According to exemplary embodiment, as shown in the exemplary embodiment of Figure 22, contact portion 554 is connected to one or more adnexaes 552 and 553 of connector part 550 by bridger 556.According to exemplary embodiment, connector part 550 can have single component structure.Such as, although the exemplary embodiment of connector part 550 described here is not limited to single component structure, one or more adnexa 552 and 553, contact portion 554, and bridger 556 can be formed by single component.
According to exemplary embodiment, connector part 550 can be made up of conductive material, such as conductive material, to such an extent as to the energy provided by conduit 520 and 522 is provided to jaw 502 and 504 by connector part 550.Such as, connector part 550 can be made of metal, such as, and such as rustless steel.
According to the exemplary embodiments described here, by providing the operating theater instruments with push/pull driving element, can push/pull driving element and have enhancing ruggedness operating theater instruments assembly between advantageously provide connection, permit push/pull driving element simultaneously and move and drive the end effector of operating theater instruments.Further, permit slidingly contacting between end effector and adapter and/or the adapter of independent movement by providing, connection can be advantageously provided between one or more conduit and durable end effector, permit end effector simultaneously and move and provide energy from one or more conduit end-effector.
Based on the disclosure here, the embodiment of amendment and replacement further will be apparent to those of ordinary skill in the art.Such as, system and method can comprise to make operation clear, by its assembly that elliptical is extra from view and description or step.Therefore, this description is only understood to illustrative and is the general fashion in order to instruct those skilled in the art to implement this instruction.Should be appreciated that, to illustrate here and the various embodiments that describe should be taken as exemplary.The arrangement of element and material and these elements and material replaceable here shown in and described those, parts and process can be contrary, and some feature of this instruction can independently utilize, all these by for have benefited from this description this area a technical staff be apparent.Element as described herein can be changed when not deviating from the spirit and scope of this instruction and the claims.
Should be appreciated that, the particular instance stated here and embodiment are nonrestrictive, and can make the amendment to structure, specification, materials and methods opinion when not deviating from the spirit and scope (comprising equivalent) of the disclosure and claim.
From the consideration of this description and the practice of the disclosure and claim, will it will be apparent to those skilled in the art according to other embodiment of the present disclosure.Object is, this description and example only should be considered as exemplary, and claim comprises its whole scopes and range, comprises equivalent.

Claims (20)

1. an operating theater instruments, comprising:
Axle;
Be connected to described the tip of the axis executor; And
Push/pull driving element, it comprises the head that the push/pull direction perpendicular to described push/pull driving element extends;
The head of wherein said push/pull driving element has end section, and the cross section of each described end section is different from the cross section of the major part of the head between described end section.
2. operating theater instruments according to claim 1, comprise U-shaped folder further, it comprises relative groove, and the end section of wherein said push/pull driving element is received in described groove slidably.
3. operating theater instruments according to claim 2, wherein said end section comprises at least one even curface part, and it engages the sidewall of described groove.
4. operating theater instruments according to claim 1, wherein said end section has non-circular cross section.
5. operating theater instruments according to claim 4, wherein said end section has foursquare cross section.
6. operating theater instruments according to claim 4, wherein said end section has the cross section of rectangle.
7. operating theater instruments according to claim 1, wherein said end section comprises two even curface parts positioned opposite to each other.
8. operating theater instruments according to claim 7, wherein said end section is oval and comprises circular end.
9. an operating theater instruments, comprising:
Axle;
End effector, it is connected to described axle; And
Push/pull driving element, it end section of end comprising bonding part and be connected to described bonding part;
Wherein said bonding part contacts to drive described end effector with described end effector;
Wherein said bonding part has the first width and described end section has the second width, and wherein said second width is greater than described first width.
10. operating theater instruments according to claim 9, wherein said end section has non-circular cross section.
11. operating theater instruments according to claim 9, comprise U-shaped folder further, and this U-shaped folder comprises at least one groove, and the end section of wherein said push/pull driving element is positioned at described groove, and wherein said U-shaped folder is made of plastics.
12. operating theater instruments according to claim 9, wherein said end section comprises at least one even curface.
13. operating theater instruments according to claim 9, wherein said push/pull driving element comprises insulant further.
14. 1 kinds of operating theater instruments, it comprises:
Axle;
End effector, it is connected to described axle;
At least one conduit, it provides energy to arrive described end effector; And
Adapter, at least one electrosurgical catheter described is connected to described end effector by it, and wherein said end effector and the described adapter of part slidingly contact.
15. operating theater instruments according to claim 14, wherein said adapter comprises insulating body.
16. operating theater instruments according to claim 14, comprise push/pull driving element further, it end section of end comprising bonding part and be connected to described bonding part; And
The bonding part of wherein said push/pull driving element contacts to drive end effector with described end effector.
17. operating theater instruments according to claim 14, wherein said adapter is configured to keep substantially static when described end effector moves.
18. operating theater instruments according to claim 14, wherein said adapter comprises the contact portion slidingly contacted with described end effector, and wherein said contact portion is split ring.
19. operating theater instruments according to claim 14, wherein said adapter comprises contact portion, and itself and described end effector slidingly contact;
Wherein said end effector comprises aperture; And
Wherein said contact portion to be positioned at inside described aperture and to contact with the port ons that described end effector forms described aperture.
20. operating theater instruments according to claim 14, wherein said adapter comprises at least one accessory structure to connect described adapter at least one conduit described.
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